US Patent
US8809615 — Adhesive preparation
Formulation · Assigned to Hisamitsu Pharmaceutical Co Inc · Expires 2030-01-03 · 4y remaining
Vulnerability score
53/100
Moderate — design-around opportunities exist
What this patent protects
This patent protects an adhesive preparation made with a specific type of fabric, adhesive layer containing methyl salicylate, and moisture permeability characteristics.
USPTO Abstract
An adhesive preparation comprising a stretchable support and an adhesive layer laminated on at least one side of the support, wherein the stretchable support comprises a interlock woven fabric subjected to crimping processing, the adhesive layer contains 10% by mass or more of methyl salicylate with respect to the total mass of the layer, the whole adhesive preparation has moisture permeability of 1 to 350 g/m 2 ·24 hr measured at a temperature of 40° C. and a relative humidity of 90%, and the methyl salicylate has a plasma AUC 0-24 ranging from 3.0 to 60.0 ng·hr/mL in terms of a mean±standard deviation, and salicylic acid as a metabolite of the methyl salicylate has a plasma AUC 0-24 ranging from 5000 to 13000 ng·hr/mL in terms of a mean±standard deviation, when the adhesive preparation is applied to a human skin for 8 hours such that an application amount of the adhesive layer applied is 50 to 300 g/m 2 and a contact area is 280 cm 2 .
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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